Nope - just couple the elements that lie along the boundary. You end up with a tiny amount of "extra" ghosting... but it gives you the flexibility to be able to evaluate anywhere within a boundary element (and is fairly critical if you're using elemental DoFs anyway!).
Derek On Wed, Sep 28, 2016 at 7:19 AM David Knezevic <david.kneze...@akselos.com> wrote: > On Wed, Sep 28, 2016 at 12:13 AM, Derek Gaston <fried...@gmail.com> wrote: > >> Yeah - coupling interior boundary elements is what we do with MOOSE. >> Makes things simple. >> > > Just to confirm, do you mean that you add extra "dim-1"-dimensional > surface elements to the mesh and couple those? > > Thanks, > David > > > > >> On Tue, Sep 27, 2016 at 9:55 PM David Knezevic < >> david.kneze...@akselos.com> wrote: >> >>> On Tue, Sep 27, 2016 at 9:47 PM, Roy Stogner <royst...@ices.utexas.edu> >>> wrote: >>> >>> > >>> > On Tue, 27 Sep 2016, David Knezevic wrote: >>> > >>> > Quick question about the new GhostingFunctor stuff: I was wondering >>> >> if a similar approach to misc_ex9 could be applied to node-to-node >>> >> coupling, e.g. like in systems_of_equations_ex8 where currently we >>> >> add Edge2 elements to ensure the appropriate ghosting is provided? >>> >> >>> > >>> > The functors are pretty heavily built around element coupling. But we >>> > do allow multi dimensional manifolds now. You could create a NodeElem >>> > for each node and couple those, or if you have surfaces that you want >>> > to stay coupled even after AMR you could create boundary elements and >>> > couple those. >>> > >>> > Or you could just couple the interior elements on corresponding >>> > boundaries - that'll be slightly less efficient but it'll work. >>> > >>> >>> >>> OK, got it, thanks! I'll keep these approaches in mind. >>> >>> Thanks, >>> David >>> >>> ------------------------------------------------------------------------------ >>> _______________________________________________ >>> Libmesh-users mailing list >>> Libmesh-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/libmesh-users >>> >> ------------------------------------------------------------------------------ _______________________________________________ Libmesh-users mailing list Libmesh-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-users
